Along Came a Killer
When three people are gunned down in a quiet neighborhood, Gwinnette County police struggle to find a connection between the victims.
More from Season 20
Episode 1
Masked in Mobile
The cold-blooded shooting of a man outside his apartment is caught on video, but detectives must work through the night to identify his masked attacker.
Episode 3
A Beautiful Life
In Tulsa, a young father is shot several times in his driveway after putting his one-year-old daughter to sleep. Detective Jason White hopes a pill bottle found on the scene will help lead to the killer.
Episode 4
Unforgotten: Darrin
In Tulsa, when a teenager is found murdered and dumped in a field, the leads run dry and detectives need your help to get justice for his family.
Episode 5
Old Habits
Old habits die hard when a young father gets out of prison and is drawn back into his old life. After he's shot dead, Tulsa homicide must sort through a web of lies to find out who killed him.
Episode 6
Through Death's Door
Gwinnett County detectives chase down a bullet-ridden Toyota Camry to find who may have killed a beloved young man.
Episode 7
Unforgotten: Ray and Blu
In Mobile, when two beloved men from the Mobile Terrace neighborhood are gunned down, detectives need the community's help to get justice for their families
